Specifications

I Alarms
Program Errors (P)
I - 77
P953 Tool axis dir cntrl prohibited
Details
Tool axis direction control was commanded during the mode where the control is unavailable.
Remedy
- Check the program and see whether any unavailable mode is included during tool axis di-
rection control. If any, cancel that mode.
P954 Inclined face command error
Details
The address to issue the inclined surface machining command is incorrect.
Remedy
- Check the program.
P955 Inclined face coord illegal
Details
Impossible to define an inclined surface with the values you specified.
Remedy
- Check the program.
P956 G68.2P10 surface not defined
Details
The coordinate system for the machining surface selected with G68.2P10 has not been de-
fined.
Remedy
- Set the machining surface so that the coordinate system can be defined.
P957 Tool axis dir ctrl cmp amt 0
Details
When the tool axis direction control type 2 (G53.6) was commanded, a tool length compensa-
tion No. whose compensation amount is 0 was commanded.
Remedy
- Correct the program. Set the tool length compensation amount, or command a tool length
compensation No. whose compensation amount is not 0.
P960 No spec: Direct command mode
Details
G05 P4 was commanded while direct command mode option is OFF.
Remedy
- Check the specifications.
P961 Invalid during dir cmnd mode
Details
- A G code other than G05 P0 was commanded in direct command mode.
- A sequence No. command, F code command, MSTB command or variable command was
issued.
- A corner chamfering command or corner R command was issued.
- A travel command was issued to an axis that had not been command in the G05 P4 block.
Remedy
- Check the program.
P962 Dir cmnd mode cmnd invalid
Details
G05 P4 was commanded in a modal where direct command mode is not available.
Remedy
- Check the program.
P963 Illegal direct cmnd mode cmnd
Details
The commanded coordinate value was beyond the maximum travel distance in direct com-
mand mode.
Remedy
- Correct the coordinate value in direct command mode.
P990 PREPRO error
Details
Combining commands that required pre-reading (nose R offset, corner chamfering/corner
rounding, geometric I, geometric IB, and compound type fixed cycle for turning machining) re-
sulted in eight or more pre-read blocks.
Remedy
- Delete some or all of the combinations of commands that require pre-reading.